Silicon photonic modulators with a 2 × 1 Fabry–Perot cavity Article Swipe
Hengzhen Cao
,
Jin Xie
,
Weichao Sun
,
Mingyu Zhu
,
Yuluan Xiang
,
Gong Zhang
,
Jingshu Guo
,
Yaocheng Shi
,
Daoxin Dai
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1515/nanoph-2024-0488
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1515/nanoph-2024-0488
Silicon photonics modulators based on a 2 × 1 Fabry–Perot (FP) cavity, which is circulator-free, are proposed and demonstrated by introducing two asymmetric multimode-waveguide grating (AMWG) reflectors and a short straight modulation section with interleaved PN junctions. In particular, the straight modulation section in the FP cavity is broadened to be far beyond the single-mode regime, alleviating the inherent sensitivity to the variations of waveguide dimensions and thus reducing stochastic resonance-wavelength variations. The Q factor of the FP cavity is manipulated by optimally manipulating the reflection of the AMWGs, and the modulation bandwidth is enhanced to be over 40 GHz by utilizing the optical peaking enhancement effect, which happens when operating at the wavelength slightly detuning to its resonance wavelength. Eye diagrams for high-speed modulation with 50 Gbps are also demonstrated in experiments. Finally, wafer-level measurement is conducted by characterizing the silicon photonic modulators based on the 2 × 1 FP cavity and a conventional microring fabricated on the same chip, experimentally revealing an average improvement of 43 % in minimizing the random resonance-wavelength variation, which is attributed to the implementation of broadening the straight modulation section in the FP cavity.
Related Topics
Concepts
Fabry–Pérot interferometer
Optics
Materials science
Photonics
Modulation (music)
Optoelectronics
Silicon photonics
Wavelength
Grating
Photonic integrated circuit
Waveguide
Resonance (particle physics)
Amplitude modulation
Bandwidth (computing)
Frequency modulation
Physics
Telecommunications
Acoustics
Particle physics
Computer science
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1515/nanoph-2024-0488
- https://www.degruyter.com/document/doi/10.1515/nanoph-2024-0488/pdf
- OA Status
- gold
- Cited By
- 3
- References
- 50
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4406329252
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4406329252Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1515/nanoph-2024-0488Digital Object Identifier
- Title
-
Silicon photonic modulators with a 2 × 1 Fabry–Perot cavityWork title
- Type
-
articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-01-13Full publication date if available
- Authors
-
Hengzhen Cao, Jin Xie, Weichao Sun, Mingyu Zhu, Yuluan Xiang, Gong Zhang, Jingshu Guo, Yaocheng Shi, Daoxin DaiList of authors in order
- Landing page
-
https://doi.org/10.1515/nanoph-2024-0488Publisher landing page
- PDF URL
-
https://www.degruyter.com/document/doi/10.1515/nanoph-2024-0488/pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://www.degruyter.com/document/doi/10.1515/nanoph-2024-0488/pdfDirect OA link when available
- Concepts
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Fabry–Pérot interferometer, Optics, Materials science, Photonics, Modulation (music), Optoelectronics, Silicon photonics, Wavelength, Grating, Photonic integrated circuit, Waveguide, Resonance (particle physics), Amplitude modulation, Bandwidth (computing), Frequency modulation, Physics, Telecommunications, Acoustics, Particle physics, Computer scienceTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
3Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 3Per-year citation counts (last 5 years)
- References (count)
-
50Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.implementation | 181 |
| abstract_inverted_index.circulator-free, | 15 |
| abstract_inverted_index.multimode-waveguide | 24 |
| abstract_inverted_index.resonance-wavelength | 71, 174 |
| cited_by_percentile_year.max | 97 |
| cited_by_percentile_year.min | 96 |
| corresponding_author_ids | https://openalex.org/A5041370047 |
| countries_distinct_count | 1 |
| institutions_distinct_count | 9 |
| corresponding_institution_ids | https://openalex.org/I109935558, https://openalex.org/I4210092870, https://openalex.org/I76130692 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/7 |
| sustainable_development_goals[0].score | 0.4300000071525574 |
| sustainable_development_goals[0].display_name | Affordable and clean energy |
| citation_normalized_percentile.value | 0.90482136 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | True |